Climate change in the Western Mediterranean Sea 1900–2008

Vargas‐Yáñez, Manuel; Moyá, Francina; García-Martínez, M.C.; Tel, E.; Zunino, Patricia; Plaza, Francisco; Salat, Jordi; Pascual, Josep; López-Jurado, José Luís; Serra, Mariano

doi:10.1016/j.jmarsys.2010.04.013

Cited by 97 publications

(72 citation statements)

References 25 publications

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“…This sensitivity means that the region has the potential to provide an early warning for global ocean changes (Duarte et al 1999). Time series and satellite data evidence a steady increase in SSTs at a rate of 0.03−0.167°C yr −1 since the year 1900 (Nykjaer 2009, Vargas-Yáñez et al 2010. By the year 2100, mean temperatures in the western Mediterranean are projected to rise by ~2−2.5°C, pushing average summer maxima to > 28°C (Lazzari et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Pteropod time series from the North Western Mediterranean (1967-2003): impacts of pH and climate variability

Howes¹,

Stemmann²,

Assailly³

et al. 2015

Mar. Ecol. Prog. Ser.

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Environmental changes resulting from anthropogenic CO 2 emissions occur at global and local levels and have potentially harmful effects, particularly for calcifying taxa in the marine environment. A time series of pteropod abundance covering the period 1967−2003 was isolated from the Point B (northwestern Ligurian Sea) zooplankton time series. Inter-and intra-annual changes in the abundance of 3 families (Limacinidae, Cavoliniidae and Creseidae) were compared with the copepod time series to identify any differential effects driven by ocean acidification and temperature. pH values were hind-cast from total alkalinity estimated from local temperature and salinity measurements, and atmospheric CO 2 taken from the Mauna Loa time series. Although surface waters were supersaturated with respect to aragonite throughout the study period, it is estimated that pH declined by 0.05 units. All pteropod groups displayed a trend of increasing abundance, suggesting that any deleterious effect of declining pH T in the range of 0.05 units has not caused sufficient reductions in fitness as to decrease local abundances between 1967−2003. Pteropod populations are influenced by inter-annual changes in summer temperatures. Spectral analysis identified a ~14 yr periodic oscillation in sea surface temperature. Similarly timed oscillations in abundance are present for all pteropod families but not for copepods, indicating a possible influence of the North Atlantic quasi-decadal mode on pteropod populations. While laboratory studies have shown pteropods to be sensitive to changes in pH, this analysis suggests that local and regional scale drivers have had a greater effect on pteropod populations in the northwestern Mediterranean Sea in recent decades. It should be noted that pH changes in laboratory studies exceed 0.05 pH units and that the saturation state with respect to aragonite (Ω ar ) is usually much lower than that of the Mediterranean.

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Section: Introductionmentioning

confidence: 99%

Pteropod time series from the North Western Mediterranean (1967-2003): impacts of pH and climate variability

Howes¹,

Stemmann²,

Assailly³

et al. 2015

Mar. Ecol. Prog. Ser.

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“…According to Muñoz-Colmenero et al (2012), rapid climate change or natural catastrophes can also affect patterns of distribution. It is currently unknown if the temperature increase in the Mediterranean (Vargas-Yáñez et al 2010) partially explains the results observed in this study. However, the reduction of P. ferruginea populations seems to precede such increases as the species was widely distributed until the Palaeolithic (Templado & Calvo 2004) when it started to decline.…”

Section: Discussionmentioning

confidence: 82%

Filling the limpet gap: molecular characterization of the genus Patella (Patellidae, Gastropoda) in the Algerian coasts of Oran

Kallouche¹,

Acevedo²,

Ghalek³

et al. 2018

Acta Zool Acad Sci H

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Several molecular studies have been conducted on northeastern Atlantic and Mediterranean patellid limpets, but Algerian specimens have never been included in these studies. This work intends to fill this gap and characterize populations of different Patella species inhabiting the Algerian coasts of Oran, clarifying the presence of Patella ferruginea that is considered as endangered. Moreover, comparison of their intraspecific variation with that of other areas might enlighten about populations connectivity and the conservation status of the analysed species.The molecular analyses performed on the samples from Oran's coasts, confirmed the presence of Patella ferruginea, P. rustica and P. caerulea, all of which shared haplotypes with other Mediterranean localities previously analysed. The intraspecific differentiation was limited, with the exception of P. rustica, which showed the greatest diversity, while P. ferruginea, the most endangered species, showed the lowest.

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“…(table II), which is very close to the value reported by Levitus et al (2012) for the upper 2000 m of the water column in the world ocean. It is also worth noticing that the changes reported since the beginning of the twentieth century have evidenced an acceleration of the warming trends for the second 380 half of the twentieth century (Rohling and Bryden, 1992;Vargas-Yáñez et al, 2010). The increase of the temperature trends for the WMED series extended to 2015 could simply reflect this acceleration process which is very likely to continue during the twenty first century according to numerical projections (Llasses et al, 2015;Somot et al, 2006).…”

mentioning

confidence: 96%

“…Summarizing the main findings: both temperature and salinity of WMDW have increased along the twentieth century (Vargas-Yáñez et al, 2010;Rixen et al, 2005;Bethoux et al, 1999;Krahmann and Schott, 1998;Rohling and Bryden, 1992). Some works have found positive trends for the salinity of the Levantine Intermediate Water (LIW, Rixen et al, 2005;Bethoux et al, 1999 ;Rohling and Bryden, 1992).…”

mentioning

confidence: 98%

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About the origin of the Mediterranean Waters warming during the twentieth century

García-Martínez

Vargas‐Yáñez

Moyá

et al. 2017

Preprint

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Climate change in the Western Mediterranean Sea 1900–2008

Cited by 97 publications

References 25 publications

Pteropod time series from the North Western Mediterranean (1967-2003): impacts of pH and climate variability

Pteropod time series from the North Western Mediterranean (1967-2003): impacts of pH and climate variability

Filling the limpet gap: molecular characterization of the genus Patella (Patellidae, Gastropoda) in the Algerian coasts of Oran

About the origin of the Mediterranean Waters warming during the twentieth century

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